wifi_scan.cpp

00001 /*
00002  * Copyright (c) 2017, ARM Limited, All Rights Reserved
00003  * SPDX-License-Identifier: Apache-2.0
00004  *
00005  * Licensed under the Apache License, Version 2.0 (the "License"); you may
00006  * not use this file except in compliance with the License.
00007  * You may obtain a copy of the License at
00008  *
00009  * http://www.apache.org/licenses/LICENSE-2.0
00010  *
00011  * Unless required by applicable law or agreed to in writing, software
00012  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
00013  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00014  * See the License for the specific language governing permissions and
00015  * limitations under the License.
00016  */
00017 
00018 #include "mbed.h"
00019 #include "greentea-client/test_env.h"
00020 #include "unity.h"
00021 #include "utest.h"
00022 #include "wifi_tests.h"
00023 #include <stdbool.h>
00024 
00025 using namespace utest::v1;
00026 
00027 void wifi_scan(void)
00028 {
00029     WiFiInterface *wifi = get_interface();
00030 
00031     WiFiAccessPoint ap[MBED_CONF_APP_MAX_SCAN_SIZE];
00032 
00033     int size = wifi->scan(ap, MBED_CONF_APP_MAX_SCAN_SIZE);
00034     TEST_ASSERT(size >= 2);
00035 
00036     bool secure_found = false;
00037     bool unsecure_found = false;
00038 
00039     char secure_bssid[6];
00040     char unsecure_bssid[6];
00041     const char *coversion_string = "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx";
00042     TEST_ASSERT_EQUAL_INT_MESSAGE(6, sscanf(MBED_CONF_APP_AP_MAC_SECURE, coversion_string, &secure_bssid[0], &secure_bssid[1], &secure_bssid[2], &secure_bssid[3], &secure_bssid[4], &secure_bssid[5]), "Failed to convert ap-mac-secure from mbed_app.json");
00043     TEST_ASSERT_EQUAL_INT_MESSAGE(6, sscanf(MBED_CONF_APP_AP_MAC_UNSECURE, coversion_string, &unsecure_bssid[0], &unsecure_bssid[1], &unsecure_bssid[2], &unsecure_bssid[3], &unsecure_bssid[4], &unsecure_bssid[5]), "Failed to convert ap-mac-unsecure from mbed_app.json");
00044 
00045     for (int i=0; i<size; i++) {
00046         const char *ssid = ap[i].get_ssid();
00047         const uint8_t *bssid = ap[i].get_bssid();
00048         nsapi_security_t security = ap[i].get_security();
00049         int8_t rssi = ap[i].get_rssi();
00050         uint8_t ch = ap[i].get_channel();
00051         TEST_ASSERT_NOT_EQUAL(0, strlen(ssid));
00052         TEST_ASSERT_INT8_WITHIN(-35, -65, rssi);
00053         if (strcmp(MBED_CONF_APP_WIFI_SECURE_SSID, ssid) == 0) {
00054             secure_found = true;
00055             TEST_ASSERT_EQUAL_INT(NSAPI_SECURITY_WPA2 , security);
00056             TEST_ASSERT_EQUAL_INT(MBED_CONF_APP_WIFI_CH_SECURE, ch);
00057         }
00058         if (strcmp(MBED_CONF_APP_WIFI_UNSECURE_SSID, ssid) == 0) {
00059             unsecure_found = true;
00060             TEST_ASSERT_EQUAL_INT(NSAPI_SECURITY_NONE , security);
00061             TEST_ASSERT_EQUAL_INT(MBED_CONF_APP_WIFI_CH_UNSECURE, ch);
00062         }
00063     }
00064     TEST_ASSERT_TRUE(secure_found);
00065     TEST_ASSERT_TRUE(unsecure_found);
00066 }
00067